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化工学报  2014 

基于增压吸收的吸收式蓄能装置的性能分析

DOI: 10.3969/j.issn.0438-1157.2014.06.039, PP. 2241-2248

Keywords: 增压,吸收,蓄能,蓄能密度,性能系数,模拟,结晶

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Abstract:

吸收式蓄能技术具有蓄能密度高、热损失小等特点,是一种具有发展潜力的蓄能技术,但目前的技术尚存在吸收效果差、效率不高等问题。提出基于增压吸收的吸收式蓄能方法,并阐述其装置的工作原理和特点,通过数学模型研究在不同工况下增压对其热力学性能的影响规律。结果表明:当蒸发温度与发生温度越低、冷凝温度越高时,增压器改善吸收式蓄能循环的性能系数(COP)越明显;与无增压吸收式蓄能循环相比,蓄能密度(ESD)得到提高,当增压比为3时,其ESD可提高30%~295%。

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